kicad/pcbnew/block.cpp

810 lines
23 KiB
C++

/*
* This program source code file is part of KiCad, a free EDA CAD application.
*
* Copyright (C) 2012 Jean-Pierre Charras, jean-pierre.charras@ujf-grenoble.fr
* Copyright (C) 2012 SoftPLC Corporation, Dick Hollenbeck <dick@softplc.com>
* Copyright (C) 2011 Wayne Stambaugh <stambaughw@verizon.net>
* Copyright (C) 1992-2011 KiCad Developers, see AUTHORS.txt for contributors.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, you may find one here:
* http://www.gnu.org/licenses/old-licenses/gpl-2.0.html
* or you may search the http://www.gnu.org website for the version 2 license,
* or you may write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
*/
/**
* @file pcbnew/block.cpp
*/
#include <fctsys.h>
#include <class_drawpanel.h>
#include <confirm.h>
#include <block_commande.h>
#include <wxPcbStruct.h>
#include <trigo.h>
#include <class_board.h>
#include <class_track.h>
#include <class_drawsegment.h>
#include <class_pcb_text.h>
#include <class_pcb_target.h>
#include <class_module.h>
#include <class_dimension.h>
#include <class_zone.h>
#include <dialog_block_options.h>
#include <pcbnew.h>
#include <protos.h>
#include <connectivity.h>
#define BLOCK_OUTLINE_COLOR YELLOW
/**
* Function drawPickedItems
* draws items currently selected in a block
* @param aPanel = Current draw panel
* @param aDC = Current device context
* @param aOffset = Drawing offset
**/
static void drawPickedItems( EDA_DRAW_PANEL* aPanel, wxDC* aDC, wxPoint aOffset );
/**
* Function drawMovingBlock
* handles drawing of a moving block
* @param aPanel = Current draw panel
* @param aDC = Current device context
* @param aPosition The cursor position in logical (drawing) units.
* @param aErase = Erase block at current position
**/
static void drawMovingBlock( EDA_DRAW_PANEL* aPanel, wxDC* aDC, const wxPoint& aPosition,
bool aErase );
static DIALOG_BLOCK_OPTIONS::OPTIONS blockOpts;
static bool InstallBlockCmdFrame( PCB_BASE_FRAME* parent, const wxString& title )
{
wxPoint oldpos = parent->GetCrossHairPosition();
parent->GetCanvas()->SetIgnoreMouseEvents( true );
DIALOG_BLOCK_OPTIONS * dlg = new DIALOG_BLOCK_OPTIONS( parent, blockOpts, true, title );
int cmd = dlg->ShowModal();
dlg->Destroy();
parent->SetCrossHairPosition( oldpos );
parent->GetCanvas()->MoveCursorToCrossHair();
parent->GetCanvas()->SetIgnoreMouseEvents( false );
return cmd == wxID_OK;
}
int PCB_EDIT_FRAME::BlockCommand( EDA_KEY aKey )
{
int cmd = 0;
switch( aKey )
{
default:
cmd = aKey & 0xFF;
break;
case 0:
cmd = BLOCK_MOVE;
break;
case GR_KB_SHIFT:
cmd = BLOCK_DUPLICATE;
break;
case GR_KB_CTRL:
cmd = BLOCK_ROTATE;
break;
case GR_KB_SHIFTCTRL:
cmd = BLOCK_DELETE;
break;
case GR_KB_ALT:
cmd = BLOCK_FLIP;
break;
case MOUSE_MIDDLE:
cmd = BLOCK_ZOOM;
break;
}
return cmd;
}
void PCB_EDIT_FRAME::HandleBlockPlace( wxDC* DC )
{
GetBoard()->m_Status_Pcb &= ~DO_NOT_SHOW_GENERAL_RASTNEST;
if( !m_canvas->IsMouseCaptured() )
{
DisplayError( this, wxT( "Error in HandleBlockPLace : m_mouseCaptureCallback = NULL" ) );
}
GetScreen()->m_BlockLocate.SetState( STATE_BLOCK_STOP );
const BLOCK_COMMAND_T command = GetScreen()->m_BlockLocate.GetCommand();
switch( command )
{
case BLOCK_IDLE:
break;
case BLOCK_DRAG: // Drag
case BLOCK_MOVE: // Move
case BLOCK_PRESELECT_MOVE: // Move with preselection list
if( m_canvas->IsMouseCaptured() )
m_canvas->CallMouseCapture( DC, wxDefaultPosition, false );
Block_Move();
GetScreen()->m_BlockLocate.ClearItemsList();
break;
case BLOCK_DUPLICATE: // Duplicate
case BLOCK_DUPLICATE_AND_INCREMENT:
if( m_canvas->IsMouseCaptured() )
m_canvas->CallMouseCapture( DC, wxDefaultPosition, false );
Block_Duplicate( command == BLOCK_DUPLICATE_AND_INCREMENT );
GetScreen()->m_BlockLocate.ClearItemsList();
break;
case BLOCK_PASTE:
break;
case BLOCK_ZOOM: // Handled by HandleBlockEnd()
default:
break;
}
OnModify();
m_canvas->EndMouseCapture( GetToolId(), m_canvas->GetCurrentCursor(), wxEmptyString, false );
GetScreen()->ClearBlockCommand();
if( GetScreen()->m_BlockLocate.GetCount() )
{
DisplayError( this, wxT( "Error in HandleBlockPLace some items left in list" ) );
GetScreen()->m_BlockLocate.ClearItemsList();
}
}
bool PCB_EDIT_FRAME::HandleBlockEnd( wxDC* DC )
{
bool nextcmd = false; // Will be set to true if a block place is needed
bool cancelCmd = false;
// If coming here after cancel block, clean up and exit
if( GetScreen()->m_BlockLocate.GetState() == STATE_NO_BLOCK )
{
m_canvas->EndMouseCapture( GetToolId(), m_canvas->GetCurrentCursor(), wxEmptyString,
false );
GetScreen()->ClearBlockCommand();
return false;
}
// Show dialog if there are no selected items and we're not zooming
if( !GetScreen()->m_BlockLocate.GetCount()
&& GetScreen()->m_BlockLocate.GetCommand() != BLOCK_ZOOM )
{
if( InstallBlockCmdFrame( this, _( "Block Operation" ) ) == false )
{
cancelCmd = true;
// undraw block outline
if( DC )
m_canvas->CallMouseCapture( DC, wxDefaultPosition, false );
}
else
{
DrawAndSizingBlockOutlines( m_canvas, DC, wxDefaultPosition, false );
Block_SelectItems();
// Exit if no items found
if( !GetScreen()->m_BlockLocate.GetCount() )
cancelCmd = true;
}
}
if( !cancelCmd && m_canvas->IsMouseCaptured() )
{
switch( GetScreen()->m_BlockLocate.GetCommand() )
{
case BLOCK_IDLE:
DisplayError( this, wxT( "Error in HandleBlockPLace" ) );
break;
case BLOCK_DRAG: // Drag (not used, for future enhancements)
case BLOCK_MOVE: // Move
case BLOCK_DUPLICATE: // Duplicate
case BLOCK_DUPLICATE_AND_INCREMENT: // Duplicate and increment relevant references
case BLOCK_PRESELECT_MOVE: // Move with preselection list
GetScreen()->m_BlockLocate.SetState( STATE_BLOCK_MOVE );
nextcmd = true;
m_canvas->SetMouseCaptureCallback( drawMovingBlock );
if( DC )
m_canvas->CallMouseCapture( DC, wxDefaultPosition, false );
break;
case BLOCK_DELETE: // Delete
m_canvas->SetMouseCaptureCallback( NULL );
GetScreen()->m_BlockLocate.SetState( STATE_BLOCK_STOP );
Block_Delete();
break;
case BLOCK_ROTATE: // Rotation
m_canvas->SetMouseCaptureCallback( NULL );
GetScreen()->m_BlockLocate.SetState( STATE_BLOCK_STOP );
Block_Rotate();
break;
case BLOCK_FLIP: // Flip
m_canvas->SetMouseCaptureCallback( NULL );
GetScreen()->m_BlockLocate.SetState( STATE_BLOCK_STOP );
Block_Flip();
break;
case BLOCK_COPY: // Copy
GetScreen()->m_BlockLocate.SetState( STATE_BLOCK_STOP );
if( GetScreen()->m_BlockLocate.GetCount() )
{
// @todo (if useful) Save_Block( );
}
break;
case BLOCK_PASTE:
break;
case BLOCK_ZOOM: // Window Zoom
// Turn off the redraw block routine now so it is not displayed
// with one corner at the new center of the screen
m_canvas->SetMouseCaptureCallback( NULL );
Window_Zoom( GetScreen()->m_BlockLocate );
break;
default:
break;
}
}
if( ! nextcmd )
{
GetBoard()->m_Status_Pcb |= DO_NOT_SHOW_GENERAL_RASTNEST;
GetScreen()->ClearBlockCommand();
m_canvas->EndMouseCapture( GetToolId(), m_canvas->GetCurrentCursor(), wxEmptyString,
false );
}
return nextcmd;
}
void PCB_EDIT_FRAME::Block_SelectItems()
{
LSET layerMask;
bool selectOnlyComplete = GetScreen()->m_BlockLocate.GetWidth() > 0 ;
GetScreen()->m_BlockLocate.Normalize();
PICKED_ITEMS_LIST* itemsList = &GetScreen()->m_BlockLocate.GetItems();
ITEM_PICKER picker( NULL, UR_UNSPECIFIED );
// Add modules
if( blockOpts.includeModules )
{
for( MODULE* module = m_Pcb->m_Modules; module; module = module->Next() )
{
PCB_LAYER_ID layer = module->GetLayer();
if( module->HitTest( GetScreen()->m_BlockLocate, selectOnlyComplete )
&& ( !module->IsLocked() || blockOpts.includeLockedModules ) )
{
if( blockOpts.includeItemsOnInvisibleLayers || m_Pcb->IsModuleLayerVisible( layer ) )
{
picker.SetItem ( module );
itemsList->PushItem( picker );
}
}
}
}
// Add tracks and vias
if( blockOpts.includeTracks )
{
for( TRACK* track = m_Pcb->m_Track; track != NULL; track = track->Next() )
{
if( track->HitTest( GetScreen()->m_BlockLocate, selectOnlyComplete ) )
{
if( blockOpts.includeItemsOnInvisibleLayers
|| m_Pcb->IsLayerVisible( track->GetLayer() ) )
{
picker.SetItem( track );
itemsList->PushItem( picker );
}
}
}
}
// Add graphic items
layerMask = LSET( Edge_Cuts );
if( blockOpts.includeItemsOnTechLayers )
layerMask.set();
if( !blockOpts.includeBoardOutlineLayer )
layerMask.set( Edge_Cuts, false );
for( auto PtStruct : m_Pcb->Drawings() )
{
if( !m_Pcb->IsLayerVisible( PtStruct->GetLayer() ) && ! blockOpts.includeItemsOnInvisibleLayers)
continue;
bool select_me = false;
switch( PtStruct->Type() )
{
case PCB_LINE_T:
if( !layerMask[PtStruct->GetLayer()] )
break;
if( !PtStruct->HitTest( GetScreen()->m_BlockLocate, selectOnlyComplete ) )
break;
select_me = true; // This item is in bloc: select it
break;
case PCB_TEXT_T:
if( !blockOpts.includePcbTexts )
break;
if( !PtStruct->HitTest( GetScreen()->m_BlockLocate, selectOnlyComplete ) )
break;
select_me = true; // This item is in bloc: select it
break;
case PCB_TARGET_T:
if( !layerMask[PtStruct->GetLayer()] )
break;
if( !PtStruct->HitTest( GetScreen()->m_BlockLocate, selectOnlyComplete ) )
break;
select_me = true; // This item is in bloc: select it
break;
case PCB_DIMENSION_T:
if( !layerMask[PtStruct->GetLayer()] )
break;
if( !PtStruct->HitTest( GetScreen()->m_BlockLocate, selectOnlyComplete ) )
break;
select_me = true; // This item is in bloc: select it
break;
default:
break;
}
if( select_me )
{
picker.SetItem ( PtStruct );
itemsList->PushItem( picker );
}
}
// Add zones
if( blockOpts.includeZones )
{
for( int ii = 0; ii < m_Pcb->GetAreaCount(); ii++ )
{
ZONE_CONTAINER* area = m_Pcb->GetArea( ii );
if( area->HitTest( GetScreen()->m_BlockLocate, selectOnlyComplete ) )
{
if( blockOpts.includeItemsOnInvisibleLayers
|| m_Pcb->IsLayerVisible( area->GetLayer() ) )
{
BOARD_ITEM* zone_c = (BOARD_ITEM*) area;
picker.SetItem ( zone_c );
itemsList->PushItem( picker );
}
}
}
}
}
static void drawPickedItems( EDA_DRAW_PANEL* aPanel, wxDC* aDC, wxPoint aOffset )
{
PICKED_ITEMS_LIST* itemsList = &aPanel->GetScreen()->m_BlockLocate.GetItems();
PCB_BASE_FRAME* frame = (PCB_BASE_FRAME*) aPanel->GetParent();
g_Offset_Module = -aOffset;
for( unsigned ii = 0; ii < itemsList->GetCount(); ii++ )
{
BOARD_ITEM* item = (BOARD_ITEM*) itemsList->GetPickedItem( ii );
switch( item->Type() )
{
case PCB_MODULE_T:
frame->GetBoard()->m_Status_Pcb &= ~RATSNEST_ITEM_LOCAL_OK;
((MODULE*) item)->DrawOutlinesWhenMoving( aPanel, aDC, g_Offset_Module );
break;
case PCB_LINE_T:
case PCB_TEXT_T:
case PCB_TRACE_T:
case PCB_VIA_T:
case PCB_TARGET_T:
case PCB_DIMENSION_T: // Currently markers are not affected by block commands
case PCB_MARKER_T:
item->Draw( aPanel, aDC, GR_XOR, aOffset );
break;
case PCB_ZONE_AREA_T:
item->Draw( aPanel, aDC, GR_XOR, aOffset );
((ZONE_CONTAINER*) item)->DrawFilledArea( aPanel, aDC, GR_XOR, aOffset );
break;
default:
break;
}
}
g_Offset_Module = wxPoint( 0, 0 );
}
static void drawMovingBlock( EDA_DRAW_PANEL* aPanel, wxDC* aDC, const wxPoint& aPosition,
bool aErase )
{
BASE_SCREEN* screen = aPanel->GetScreen();
// do not show local module rastnest in block move, it is not usable.
auto displ_opts = (PCB_DISPLAY_OPTIONS*)( aPanel->GetDisplayOptions() );
bool showRats = displ_opts->m_Show_Module_Ratsnest;
displ_opts->m_Show_Module_Ratsnest = false;
if( aErase )
{
if( screen->m_BlockLocate.GetMoveVector().x || screen->m_BlockLocate.GetMoveVector().y )
{
screen->m_BlockLocate.Draw( aPanel, aDC, screen->m_BlockLocate.GetMoveVector(),
GR_XOR, BLOCK_OUTLINE_COLOR );
if( blockOpts.drawItems )
drawPickedItems( aPanel, aDC, screen->m_BlockLocate.GetMoveVector() );
}
}
if( screen->m_BlockLocate.GetState() != STATE_BLOCK_STOP )
{
screen->m_BlockLocate.SetMoveVector( aPanel->GetParent()->GetCrossHairPosition() -
screen->m_BlockLocate.GetLastCursorPosition() );
}
if( screen->m_BlockLocate.GetMoveVector().x || screen->m_BlockLocate.GetMoveVector().y )
{
screen->m_BlockLocate.Draw( aPanel, aDC, screen->m_BlockLocate.GetMoveVector(),
GR_XOR, BLOCK_OUTLINE_COLOR );
if( blockOpts.drawItems )
drawPickedItems( aPanel, aDC, screen->m_BlockLocate.GetMoveVector() );
}
displ_opts->m_Show_Module_Ratsnest = showRats;
}
void PCB_EDIT_FRAME::Block_Delete()
{
OnModify();
SetCurItem( NULL );
PICKED_ITEMS_LIST* itemsList = &GetScreen()->m_BlockLocate.GetItems();
itemsList->m_Status = UR_DELETED;
// unlink items and clear flags
for( unsigned ii = 0; ii < itemsList->GetCount(); ii++ )
{
BOARD_ITEM* item = (BOARD_ITEM*) itemsList->GetPickedItem( ii );
itemsList->SetPickedItemStatus( UR_DELETED, ii );
GetBoard()->GetConnectivity()->Remove( item );
switch( item->Type() )
{
case PCB_MODULE_T:
{
MODULE* module = (MODULE*) item;
module->ClearFlags();
module->UnLink();
m_Pcb->m_Status_Pcb = 0;
}
break;
case PCB_ZONE_AREA_T: // a zone area
m_Pcb->Remove( item );
break;
case PCB_LINE_T: // a segment not on copper layers
case PCB_TEXT_T: // a text on a layer
case PCB_TRACE_T: // a track segment (segment on a copper layer)
case PCB_VIA_T: // a via (like track segment on a copper layer)
case PCB_DIMENSION_T: // a dimension (graphic item)
case PCB_TARGET_T: // a target (graphic item)
item->UnLink();
break;
// These items are deleted, but not put in undo list
case PCB_MARKER_T: // a marker used to show something
case PCB_ZONE_T: // SEG_ZONE items are now deprecated
item->UnLink();
itemsList->RemovePicker( ii );
ii--;
item->DeleteStructure();
break;
default:
wxMessageBox( wxT( "PCB_EDIT_FRAME::Block_Delete( ) error: unexpected type" ) );
break;
}
}
SaveCopyInUndoList( *itemsList, UR_DELETED );
Compile_Ratsnest( NULL, true );
m_canvas->Refresh( true );
}
void PCB_EDIT_FRAME::Block_Rotate()
{
wxPoint centre; // rotation cent-re for the rotation transform
int rotAngle = m_rotationAngle; // rotation angle in 0.1 deg.
centre = GetScreen()->m_BlockLocate.Centre();
OnModify();
PICKED_ITEMS_LIST* itemsList = &GetScreen()->m_BlockLocate.GetItems();
itemsList->m_Status = UR_CHANGED;
for( unsigned ii = 0; ii < itemsList->GetCount(); ii++ )
{
BOARD_ITEM* item = (BOARD_ITEM*) itemsList->GetPickedItem( ii );
wxASSERT( item );
itemsList->SetPickedItemStatus( UR_CHANGED, ii );
switch( item->Type() )
{
case PCB_MODULE_T:
( (MODULE*) item )->ClearFlags();
m_Pcb->m_Status_Pcb = 0;
break;
// Move and rotate the track segments
case PCB_TRACE_T: // a track segment (segment on a copper layer)
case PCB_VIA_T: // a via (like track segment on a copper layer)
m_Pcb->m_Status_Pcb = 0;
break;
case PCB_ZONE_AREA_T:
case PCB_LINE_T:
case PCB_TEXT_T:
case PCB_TARGET_T:
case PCB_DIMENSION_T:
break;
// This item is not put in undo list
case PCB_ZONE_T: // SEG_ZONE items are now deprecated
itemsList->RemovePicker( ii );
ii--;
break;
default:
wxMessageBox( wxT( "PCB_EDIT_FRAME::Block_Rotate( ) error: unexpected type" ) );
break;
}
}
// Save all the block items in there current state before applying the rotation.
SaveCopyInUndoList( *itemsList, UR_CHANGED, centre );
// Now perform the rotation.
for( unsigned ii = 0; ii < itemsList->GetCount(); ii++ )
{
BOARD_ITEM* item = (BOARD_ITEM*) itemsList->GetPickedItem( ii );
wxASSERT( item );
item->Rotate( centre, rotAngle );
GetBoard()->GetConnectivity()->Update( item );
}
Compile_Ratsnest( NULL, true );
m_canvas->Refresh( true );
}
void PCB_EDIT_FRAME::Block_Flip()
{
#define INVERT( pos ) (pos) = center.y - ( (pos) - center.y )
wxPoint center; // Position of the axis for inversion of all elements
OnModify();
PICKED_ITEMS_LIST* itemsList = &GetScreen()->m_BlockLocate.GetItems();
itemsList->m_Status = UR_FLIPPED;
center = GetScreen()->m_BlockLocate.Centre();
for( unsigned ii = 0; ii < itemsList->GetCount(); ii++ )
{
BOARD_ITEM* item = (BOARD_ITEM*) itemsList->GetPickedItem( ii );
wxASSERT( item );
itemsList->SetPickedItemStatus( UR_FLIPPED, ii );
item->Flip( center );
GetBoard()->GetConnectivity()->Update( item );
// If a connected item is flipped, the ratsnest is no more OK
switch( item->Type() )
{
case PCB_MODULE_T:
item->ClearFlags();
m_Pcb->m_Status_Pcb = 0;
break;
case PCB_TRACE_T:
case PCB_VIA_T:
m_Pcb->m_Status_Pcb = 0;
break;
case PCB_ZONE_AREA_T:
case PCB_LINE_T:
case PCB_TEXT_T:
case PCB_TARGET_T:
case PCB_DIMENSION_T:
break;
// This item is not put in undo list
case PCB_ZONE_T: // SEG_ZONE items are now deprecated
itemsList->RemovePicker( ii );
ii--;
break;
default:
wxMessageBox( wxT( "PCB_EDIT_FRAME::Block_Flip( ) error: unexpected type" ) );
break;
}
}
SaveCopyInUndoList( *itemsList, UR_FLIPPED, center );
Compile_Ratsnest( NULL, true );
m_canvas->Refresh( true );
}
void PCB_EDIT_FRAME::Block_Move()
{
OnModify();
wxPoint MoveVector = GetScreen()->m_BlockLocate.GetMoveVector();
PICKED_ITEMS_LIST* itemsList = &GetScreen()->m_BlockLocate.GetItems();
itemsList->m_Status = UR_MOVED;
for( unsigned ii = 0; ii < itemsList->GetCount(); ii++ )
{
BOARD_ITEM* item = (BOARD_ITEM*) itemsList->GetPickedItem( ii );
itemsList->SetPickedItemStatus( UR_MOVED, ii );
item->Move( MoveVector );
GetBoard()->GetConnectivity()->Update( item );
item->ClearFlags( IS_MOVED );
switch( item->Type() )
{
case PCB_MODULE_T:
m_Pcb->m_Status_Pcb = 0;
item->ClearFlags();
break;
// Move track segments
case PCB_TRACE_T: // a track segment (segment on a copper layer)
case PCB_VIA_T: // a via (like a track segment on a copper layer)
m_Pcb->m_Status_Pcb = 0;
break;
case PCB_ZONE_AREA_T:
case PCB_LINE_T:
case PCB_TEXT_T:
case PCB_TARGET_T:
case PCB_DIMENSION_T:
break;
// This item is not put in undo list
case PCB_ZONE_T: // SEG_ZONE items are now deprecated
itemsList->RemovePicker( ii );
ii--;
break;
default:
wxMessageBox( wxT( "PCB_EDIT_FRAME::Block_Move( ) error: unexpected type" ) );
break;
}
}
SaveCopyInUndoList( *itemsList, UR_MOVED, MoveVector );
Compile_Ratsnest( NULL, true );
m_canvas->Refresh( true );
}
void PCB_EDIT_FRAME::Block_Duplicate( bool aIncrement )
{
wxPoint MoveVector = GetScreen()->m_BlockLocate.GetMoveVector();
OnModify();
PICKED_ITEMS_LIST* itemsList = &GetScreen()->m_BlockLocate.GetItems();
PICKED_ITEMS_LIST newList;
newList.m_Status = UR_NEW;
ITEM_PICKER picker( NULL, UR_NEW );
BOARD_ITEM* newitem;
for( unsigned ii = 0; ii < itemsList->GetCount(); ii++ )
{
BOARD_ITEM* item = (BOARD_ITEM*) itemsList->GetPickedItem( ii );
newitem = (BOARD_ITEM*)item->Clone();
if( item->Type() == PCB_MODULE_T )
m_Pcb->m_Status_Pcb = 0;
m_Pcb->Add( newitem );
if( newitem )
{
newitem->Move( MoveVector );
picker.SetItem ( newitem );
newList.PushItem( picker );
}
}
if( newList.GetCount() )
SaveCopyInUndoList( newList, UR_NEW );
Compile_Ratsnest( NULL, true );
m_canvas->Refresh( true );
}